Messages in this thread Patch in this message | | | From | Chunyan Zhang <> | Subject | [PATCH] spi: sprd: switch the sequence of setting WDG_LOAD_LOW and _HIGH | Date | Tue, 2 Jun 2020 16:24:15 +0800 |
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From: Lingling Xu <ling_ling.xu@unisoc.com>
The watchdog counter consists of WDG_LOAD_LOW and WDG_LOAD_HIGH, which would be loaded to watchdog counter once writing WDG_LOAD_LOW.
Fixes: ac1775012058 ("spi: sprd: Add the support of restarting the system") Signed-off-by: Lingling Xu <ling_ling.xu@unisoc.com> Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com> --- drivers/spi/spi-sprd-adi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/spi/spi-sprd-adi.c b/drivers/spi/spi-sprd-adi.c index 87dadb6b8ebf..8e84e25a8f7a 100644 --- a/drivers/spi/spi-sprd-adi.c +++ b/drivers/spi/spi-sprd-adi.c @@ -389,9 +389,9 @@ static int sprd_adi_restart_handler(struct notifier_block *this, sprd_adi_write(sadi, sadi->slave_pbase + REG_WDG_CTRL, val); /* Load the watchdog timeout value, 50ms is always enough. */ + sprd_adi_write(sadi, sadi->slave_pbase + REG_WDG_LOAD_HIGH, 0); sprd_adi_write(sadi, sadi->slave_pbase + REG_WDG_LOAD_LOW, WDG_LOAD_VAL & WDG_LOAD_MASK); - sprd_adi_write(sadi, sadi->slave_pbase + REG_WDG_LOAD_HIGH, 0); /* Start the watchdog to reset system */ sprd_adi_read(sadi, sadi->slave_pbase + REG_WDG_CTRL, &val); -- 2.20.1
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